Re: [Xen-devel] [PATCH v2 2/5] config/StdGNU.mk: Allows users to pass in EXTRA_CFLAGS

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Dec 20, 2016 at 11:46:57AM -0800, Alistair Francis wrote:
> Signed-off-by: Alistair Francis <alistair.francis@xxxxxxxxxx>
> ---
>  config/StdGNU.mk | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/config/StdGNU.mk b/config/StdGNU.mk
> index 6be8233..a6cdd82 100644
> --- a/config/StdGNU.mk
> +++ b/config/StdGNU.mk
> @@ -35,6 +35,9 @@ UTIL_LIBS = -lutil
>  SONAME_LDFLAG = -soname
>  SHLIB_LDFLAGS = -shared
>  
> +# Allow users to add extra CFLAGS
> +CFLAGS += $(EXTRA_CFLAGS)
> +

Assuming you mostly want to eliminate tools build flag(s) -- there are
already two things for similar tasks: APPEND_CFLAGS and
EXTRA_CFLAGS_XEN_TOOLS. Do they not fit for your purpose?

>  ifeq ($(lto),y)
>  CFLAGS += -flto
>  LDFLAGS-$(clang) += -plugin LLVMgold.so
> -- 
> 2.7.4
> 

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